Package org.jfree.data.xy

Examples of org.jfree.data.xy.DefaultOHLCDataset

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    public void testDataRange() {
        OHLCDataItem[] data = new OHLCDataItem[3];
        data[0] = new OHLCDataItem(new Date(11L), 2.0, 4.0, 1.0, 3.0, 100.0);
        data[1] = new OHLCDataItem(new Date(22L), 4.0, 9.0, 2.0, 5.0, 120.0);
        data[2] = new OHLCDataItem(new Date(33L), 3.0, 7.0, 3.0, 6.0, 140.0);
        DefaultOHLCDataset d = new DefaultOHLCDataset("S1", data);
        Range r = DatasetUtilities.findRangeBounds(d, true);
        assertEquals(1.0, r.getLowerBound(), EPSILON);
        assertEquals(9.0, r.getUpperBound(), EPSILON);
    }
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    /**
     * Confirm that the equals method can distinguish all the required fields.
     */
    public void testEquals() {
        DefaultOHLCDataset d1 = new DefaultOHLCDataset("Series 1",
                new OHLCDataItem[0]);
        DefaultOHLCDataset d2 = new DefaultOHLCDataset("Series 1",
                new OHLCDataItem[0]);
        assertTrue(d1.equals(d2));
        assertTrue(d2.equals(d1));

        d1 = new DefaultOHLCDataset("Series 2", new OHLCDataItem[0]);
        assertFalse(d1.equals(d2));
        d2 = new DefaultOHLCDataset("Series 2", new OHLCDataItem[0]);
        assertTrue(d1.equals(d2));

        d1 = new DefaultOHLCDataset("Series 2", new OHLCDataItem[] {
                new OHLCDataItem(new Date(123L), 1.2, 3.4, 5.6, 7.8, 99.9)});
        assertFalse(d1.equals(d2));
        d2 = new DefaultOHLCDataset("Series 2", new OHLCDataItem[] {
                new OHLCDataItem(new Date(123L), 1.2, 3.4, 5.6, 7.8, 99.9)});
        assertTrue(d1.equals(d2));

    }
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    /**
     * Confirm that cloning works.
     */
    public void testCloning() {
        DefaultOHLCDataset d1 = new DefaultOHLCDataset("Series 1",
                new OHLCDataItem[0]);
        DefaultOHLCDataset d2 = null;
        try {
            d2 = (DefaultOHLCDataset) d1.clone();
        }
        catch (CloneNotSupportedException e) {
            e.printStackTrace();
        }
        assertTrue(d1 != d2);
        assertTrue(d1.getClass() == d2.getClass());
        assertTrue(d1.equals(d2));
    }
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                5.0);
        OHLCDataItem item2 = new OHLCDataItem(new Date(2L), 6.0, 7.0, 8.0, 9.0,
                10.0);
        // create an array of items in reverse order
        OHLCDataItem[] items = new OHLCDataItem[] {item2, item1};
        DefaultOHLCDataset d1 = new DefaultOHLCDataset("Series 1", items);
        DefaultOHLCDataset d2 = null;
        try {
            d2 = (DefaultOHLCDataset) d1.clone();
        }
        catch (CloneNotSupportedException e) {
            e.printStackTrace();
        }
        assertTrue(d1 != d2);
        assertTrue(d1.getClass() == d2.getClass());
        assertTrue(d1.equals(d2));

        d1.sortDataByDate();
        assertFalse(d1.equals(d2));
    }
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    /**
     * Verify that this class implements {@link PublicCloneable}.
     */
    public void testPublicCloneable() {
        DefaultOHLCDataset d1 = new DefaultOHLCDataset("Series 1",
                new OHLCDataItem[0]);
        assertTrue(d1 instanceof PublicCloneable);
    }
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    /**
     * Serialize an instance, restore it, and check for equality.
     */
    public void testSerialization() {
        DefaultOHLCDataset d1 = new DefaultOHLCDataset("Series 1",
                new OHLCDataItem[0]);
        DefaultOHLCDataset d2 = null;

        try {
            ByteArrayOutputStream buffer = new ByteArrayOutputStream();
            ObjectOutput out = new ObjectOutputStream(buffer);
            out.writeObject(d1);
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    public void testDataRange() {
        OHLCDataItem[] data = new OHLCDataItem[3];
        data[0] = new OHLCDataItem(new Date(11L), 2.0, 4.0, 1.0, 3.0, 100.0);
        data[1] = new OHLCDataItem(new Date(22L), 4.0, 9.0, 2.0, 5.0, 120.0);
        data[2] = new OHLCDataItem(new Date(33L), 3.0, 7.0, 3.0, 6.0, 140.0);
        DefaultOHLCDataset d = new DefaultOHLCDataset("S1", data);
        Range r = DatasetUtilities.findRangeBounds(d, true);
        assertEquals(1.0, r.getLowerBound(), EPSILON);
        assertEquals(9.0, r.getUpperBound(), EPSILON);
    }
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    /**
     * Confirm that the equals method can distinguish all the required fields.
     */
    public void testEquals() {
        DefaultOHLCDataset d1 = new DefaultOHLCDataset("Series 1",
                new OHLCDataItem[0]);
        DefaultOHLCDataset d2 = new DefaultOHLCDataset("Series 1",
                new OHLCDataItem[0]);
        assertTrue(d1.equals(d2));
        assertTrue(d2.equals(d1));

        d1 = new DefaultOHLCDataset("Series 2", new OHLCDataItem[0]);
        assertFalse(d1.equals(d2));
        d2 = new DefaultOHLCDataset("Series 2", new OHLCDataItem[0]);
        assertTrue(d1.equals(d2));

        d1 = new DefaultOHLCDataset("Series 2", new OHLCDataItem[] {
                new OHLCDataItem(new Date(123L), 1.2, 3.4, 5.6, 7.8, 99.9)});
        assertFalse(d1.equals(d2));
        d2 = new DefaultOHLCDataset("Series 2", new OHLCDataItem[] {
                new OHLCDataItem(new Date(123L), 1.2, 3.4, 5.6, 7.8, 99.9)});
        assertTrue(d1.equals(d2));

    }
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    /**
     * Confirm that cloning works.
     */
    public void testCloning() {
        DefaultOHLCDataset d1 = new DefaultOHLCDataset("Series 1",
                new OHLCDataItem[0]);
        DefaultOHLCDataset d2 = null;
        try {
            d2 = (DefaultOHLCDataset) d1.clone();
        }
        catch (CloneNotSupportedException e) {
            e.printStackTrace();
        }
        assertTrue(d1 != d2);
        assertTrue(d1.getClass() == d2.getClass());
        assertTrue(d1.equals(d2));
    }
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                5.0);
        OHLCDataItem item2 = new OHLCDataItem(new Date(2L), 6.0, 7.0, 8.0, 9.0,
                10.0);
        // create an array of items in reverse order
        OHLCDataItem[] items = new OHLCDataItem[] {item2, item1};
        DefaultOHLCDataset d1 = new DefaultOHLCDataset("Series 1", items);
        DefaultOHLCDataset d2 = null;
        try {
            d2 = (DefaultOHLCDataset) d1.clone();
        }
        catch (CloneNotSupportedException e) {
            e.printStackTrace();
        }
        assertTrue(d1 != d2);
        assertTrue(d1.getClass() == d2.getClass());
        assertTrue(d1.equals(d2));

        d1.sortDataByDate();
        assertFalse(d1.equals(d2));
    }
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